{"id":71763,"date":"2022-12-09T09:49:34","date_gmt":"2022-12-09T02:49:34","guid":{"rendered":"https:\/\/tcvn.gov.vn\/?p=71763"},"modified":"2022-12-09T09:49:36","modified_gmt":"2022-12-09T02:49:36","slug":"thu-nghiem-thiet-bi-cam-bien-ben-gia-re-su-dung-tin-hieu-ve-tinh-de-theo-doi-muc-nuoc","status":"publish","type":"post","link":"https:\/\/tcvn.gov.vn\/thu-nghiem-thiet-bi-cam-bien-ben-gia-re-su-dung-tin-hieu-ve-tinh-de-theo-doi-muc-nuoc\/09\/12\/2022\/","title":{"rendered":"Th\u1eed nghi\u1ec7m thi\u1ebft b\u1ecb c\u1ea3m bi\u1ebfn b\u1ec1n, gi\u00e1 r\u1ebb s\u1eed d\u1ee5ng t\u00edn hi\u1ec7u v\u1ec7 tinh \u0111\u1ec3 theo d\u00f5i m\u1ef1c n\u01b0\u1edbc"},"content":{"rendered":"<p><span style=\"font-family: arial, helvetica, sans-serif; font-size: 10pt;\">C\u00e1c c\u1ea3m bi\u1ebfn m\u1ef1c n\u01b0\u1edbc th\u01b0\u1eddng c\u00f3 m\u1ed9t ho\u1eb7c nhi\u1ec1u h\u1ea1n ch\u1ebf nh\u01b0 b\u1ecb h\u01b0 h\u1ecfng trong l\u0169 l\u1ee5t, kh\u00f3 \u0111\u1ecdc t\u1eeb xa, kh\u00f4ng \u0111o \u0111\u01b0\u1ee3c m\u1ef1c n\u01b0\u1edbc li\u00ean t\u1ee5c ho\u1eb7c ch\u00fang qu\u00e1 \u0111\u1eaft.\u00a0Ng\u01b0\u1eddi \u0111\u1ee9ng \u0111\u1ea7u nh\u00f3m nghi\u00ean c\u1ee9u l\u00e0 Ti\u1ebfn s\u0129 Makan Karegar \u0111\u00e3 ph\u00e1t tri\u1ec3n m\u1ed9t gi\u1ea3i ph\u00e1p thay th\u1ebf \u0111\u1ec3 kh\u00f4ng g\u1eb7p ph\u1ea3i nh\u1eefng v\u1ea5n \u0111\u1ec1 nh\u01b0 tr\u00ean.\u00a0Thi\u1ebft b\u1ecb n\u00e0y c\u00f3 d\u1ea1ng \u0103ng-ten \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t c\u1ea1nh m\u1ed9t con s\u00f4ng, ngo\u00e0i m\u1eb7t n\u01b0\u1edbc.\u00a0N\u00f3 li\u00ean t\u1ee5c nh\u1eadn t\u00edn hi\u1ec7u v\u1ec7 tinh GPS v\u00e0 GLONASS \u2013 m\u1ed9t ph\u1ea7n c\u1ee7a m\u1ed7i t\u00edn hi\u1ec7u \u0111\u01b0\u1ee3c nh\u1eadn tr\u1ef1c ti\u1ebfp t\u1eeb v\u1ec7 tinh, ph\u1ea7n c\u00f2n l\u1ea1i \u0111\u01b0\u1ee3c nh\u1eadn gi\u00e1n ti\u1ebfp, sau khi n\u00f3 \u0111\u01b0\u1ee3c ph\u1ea3n x\u1ea1 kh\u1ecfi m\u1eb7t s\u00f4ng.\u00a0B\u1ec1 m\u1eb7t c\u00e0ng xa so v\u1edbi \u0103ng-ten th\u00ec kho\u1ea3ng c\u00e1ch m\u00e0 s\u00f3ng v\u00f4 tuy\u1ebfn ph\u1ea3n x\u1ea1 cu\u1ed1i c\u00f9ng truy\u1ec1n \u0111i c\u00e0ng d\u00e0i.<\/span><\/p>\n<div class=\"photo_detail\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 10pt;\"><img loading=\"lazy\" class=\"aligncenter\" title=\"\" src=\"http:\/\/media.vietq.vn\/files\/hongvan\/2022\/11\/28\/Untitled.png\" alt=\"\" width=\"481\" height=\"322\" \/><\/span><\/p>\n<h1 class=\"caption_image\" style=\"text-align: center;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 10pt;\">C\u00f4ng ngh\u1ec7 n\u00e0y xoay quanh \u0103ng-ten GPS\/GLONASS (tr\u00e1i) c\u00f3 th\u1ec3 ch\u1ea1y b\u1eb1ng n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi.\u00a0<\/span><\/h1>\n<\/div>\n<p><span style=\"font-family: arial, helvetica, sans-serif; font-size: 10pt;\">Khi ph\u1ea7n gi\u00e1n ti\u1ebfp c\u1ee7a m\u1ed7i t\u00edn hi\u1ec7u \u0111\u01b0\u1ee3c \u0111\u1eb7t ch\u1ed3ng l\u00ean tr\u00ean ph\u1ea7n nh\u1eadn \u0111\u01b0\u1ee3c tr\u1ef1c ti\u1ebfp s\u1ebd t\u1ea1o ra c\u00e1c m\u1eabu giao thoa.\u00a0B\u1eb1ng c\u00e1ch ph\u00e2n t\u00edch c\u00e1c m\u1eabu \u0111\u00f3, m\u1ed9t m\u00e1y vi t\u00ednh Raspberry Pi t\u00edch h\u1ee3p c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh m\u1ef1c n\u01b0\u1edbc hi\u1ec7n t\u1ea1i v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ed9ng ho\u1eb7c tr\u1eeb ~1,5 cm (0,6 inch).\u00a0D\u1eef li\u1ec7u \u0111\u00f3 \u0111\u01b0\u1ee3c truy\u1ec1n \u0111\u1ebfn ch\u00ednh quy\u1ec1n th\u00f4ng qua c\u00e1c m\u1ea1ng di \u0111\u1ed9ng hi\u1ec7n c\u00f3.<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; font-size: 10pt;\">To\u00e0n b\u1ed9 thi\u1ebft l\u1eadp ch\u1ec9 t\u1ed1n kho\u1ea3ng 156 \u0111\u00f4 la M\u1ef9 \u0111\u1ec3 x\u00e2y d\u1ef1ng v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng b\u1edfi m\u1ed9t t\u1ea5m pin m\u1eb7t tr\u1eddi.\u00a0Tr\u00ean th\u1ef1c t\u1ebf, m\u1ed9t trong nh\u1eefng c\u1ea3m bi\u1ebfn \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong hai n\u0103m tr\u00ean s\u00f4ng Lower Rhine.\u00a0\u0110i\u1ec1u \u0111\u00f3 n\u00f3i r\u1eb1ng, c\u00f4ng ngh\u1ec7 hi\u1ec7n ch\u1ec9 ho\u1ea1t \u0111\u1ed9ng tr\u00ean c\u00e1c con s\u00f4ng r\u1ed9ng \u00edt nh\u1ea5t 40 m (131 ft), ph\u1ea7n l\u1edbn t\u00edn hi\u1ec7u ph\u1ea3n x\u1ea1 \u0111\u1ebfn t\u1eeb \u0111\u1ea5t li\u1ec1n.\u00a0Hy v\u1ecdng r\u1eb1ng b\u1eb1ng c\u00e1ch tinh ch\u1ec9nh ph\u1ea7n m\u1ec1m Raspberry Pi, con s\u1ed1 \u0111\u00f3 c\u00f3 th\u1ec3 gi\u1ea3m \u0111\u00e1ng k\u1ec3<\/span>.<\/p>\n<p style=\"text-align: right;\"><em>Theo VietQ<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>C\u00e1c c\u1ea3m bi\u1ebfn m\u1ef1c n\u01b0\u1edbc th\u01b0\u1eddng c\u00f3 m\u1ed9t ho\u1eb7c nhi\u1ec1u h\u1ea1n ch\u1ebf nh\u01b0 b\u1ecb h\u01b0 h\u1ecfng trong l\u0169 l\u1ee5t, kh\u00f3 \u0111\u1ecdc t\u1eeb xa, kh\u00f4ng \u0111o \u0111\u01b0\u1ee3c m\u1ef1c n\u01b0\u1edbc li\u00ean t\u1ee5c ho\u1eb7c ch\u00fang qu\u00e1 \u0111\u1eaft.\u00a0Ng\u01b0\u1eddi \u0111\u1ee9ng \u0111\u1ea7u nh\u00f3m nghi\u00ean c\u1ee9u l\u00e0 Ti\u1ebfn s\u0129 Makan Karegar \u0111\u00e3 ph\u00e1t tri\u1ec3n m\u1ed9t gi\u1ea3i ph\u00e1p thay th\u1ebf \u0111\u1ec3 kh\u00f4ng g\u1eb7p [&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"acf":{"linh-vuc":"C\u00e1c l\u0129nh v\u1ef1c kh\u00e1c"},"_links":{"self":[{"href":"https:\/\/tcvn.gov.vn\/wp-json\/wp\/v2\/posts\/71763"}],"collection":[{"href":"https:\/\/tcvn.gov.vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tcvn.gov.vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tcvn.gov.vn\/wp-json\/wp\/v2\/users\/10"}],"replies":[{"embeddable":true,"href":"https:\/\/tcvn.gov.vn\/wp-json\/wp\/v2\/comments?post=71763"}],"version-history":[{"count":0,"href":"https:\/\/tcvn.gov.vn\/wp-json\/wp\/v2\/posts\/71763\/revisions"}],"wp:attachment":[{"href":"https:\/\/tcvn.gov.vn\/wp-json\/wp\/v2\/media?parent=71763"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tcvn.gov.vn\/wp-json\/wp\/v2\/categories?post=71763"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tcvn.gov.vn\/wp-json\/wp\/v2\/tags?post=71763"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}